Goodwill and Other Intangible Assets - Summary of Goodwill (Parenthetical) (Detail) $ in Millions	Sep. 30, 2024 USD ($)
U.S. Operating Segment
Goodwill [Line Items]
Accumulated impairment losses	$ 214.0
International Operating Segment
Goodwill [Line Items]
Accumulated impairment losses	$ 43.8

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details